What happened
In the Linux kernel, the following vulnerability has been resolved: drm/amdkfd: Check bounds for allocate_sdma_queue restore_sdma_id allocate_sdma_queue has an option where the sdma queue id can be specified (used by CRIU). We weren't bounds-checking that value. Confirm it's less than the maximum number of queues.
Affected versions
Linux: 2485c12c980a36bb9e23ababb07d73c4ac6a45af through before 42f2bd50236b61ad0aeb2c233c990ee0d615fdad (git); 2485c12c980a36bb9e23ababb07d73c4ac6a45af through before dd2870ca036e1d51baa59f942007b36a595b5890 (git); 2485c12c980a36bb9e23ababb07d73c4ac6a45af through before bfe9a7545b2a7be1c543f1741e16f2d5ec4116ae (git); 5.18 Fixed: See vendor advisory.
Why it matters
Review the vendor advisory and exposure of the affected product to determine operational impact.
Detection & mitigation
- Apply vendor-provided updates or mitigations.
- Review affected product exposure and access logs.
Public PoC references
No public PoC reference has passed the current publication threshold.